========================== C M U C L 20 e =============================
[In Progress]
The CMUCL project is pleased to announce the release of CMUCL 20e.
This is a major release which contains numerous enhancements and
bug fixes from the 20c release.
CMUCL is a free, high performance implementation of the Common Lisp
programming language which runs on most major Unix platforms. It
mainly conforms to the ANSI Common Lisp standard. CMUCL provides a
sophisticated native code compiler; a powerful foreign function
interface; an implementation of CLOS, the Common Lisp Object System,
which includes multi-methods and a meta-object protocol; a source-level
debugger and code profiler; and an Emacs-like editor implemented in
Common Lisp. CMUCL is maintained by a team of volunteers collaborating
over the Internet, and is mostly in the public domain.
New in this release:
* Known issues:
* Feature enhancements
* Changes
* ASDF2 updated to version 2.32.
* DEFINE-COMPILER-MACRO now has source-location information for
the macro definition.
* :ALIEN-CALLBACK added to *FEATURES* for platforms that support
alien callbacks.
* The sparc port can be built using gcc once again.
* The old Cheney stop-and-copy GC supported on sparc once again.
However, there are no plans on supplying sparc binaries with
this GC.
* For x86, optimize TRUNCATE when the second arg is a compile-time
constant and use a multiplication instead of a division. (Sparc
and ppc already had this optimization)
* The following *FEATURES* have been removed:
* :COMMON (not used)
* :CONSERVATIVE-FLOAT-TYPE (Always default to this in type
derivation.)
* :I486 and :PENTIUM (Always assume we're running on at least a
Pentium.)
* Update unicode to support Unicode 6.2.
* Add MP:PROCESS-JOIN, as given in ticket #77.
* ANSI compliance fixes:
* Attempts to modify the standard readtable or the standard pprint
dispatch table will now signal a continuable error.
* Bugfixes:
* REPLACE and friends on strings were limited to strings less than
the maximum possible size. This has been fixed so strings of any
supported length can be handled. (See ticket #66 and #68.)
* A serious error in FILE-POSITION on streams using an encoding
other than latin1 has been fixed. See ticket #74.
* Fix startup crashes on some Debian Linux versions. This was
caused by the release string not having a patch version.
* FILE-POSITION no longer returns incorrect values. See ticket
#79.
* Fix error in (format t "~ve" 21 5d-324). (See ticket #80).
* Trac Tickets:
* Ticket #52 reopened.
* Ticket #66 fixed.
* Ticket #67 fixed.
* Ticket #68 fixed.
* Ticket #69 fixed.
* Ticket #70 fixed.
* Ticket #65 fixed.
* Ticket #71 fixed.
* Ticket #72 fixed.
* Ticket #73 fixed.
* Ticket #74 fixed.
* Ticket #76 fixed.
* Ticket #79 fixed.
* Ticket #77 fixed.
* Ticket #80 fixed.
* Other changes:
* -8 option for build-all.sh is deprecated since we don't
officially support 8-bit builds anymore.
* Some small updates to the User Manual and CMU Internals
documents to generate pdf files by default.
* Improvements to the PCL implementation of CLOS:
* Changes to building procedure:
* In make-dist.sh, the version is now optional. If not given, a
version is derived from the git hash returned by "git
describe".
* build.sh -u used to disable building of asdf and friends. This
is incorrect. Asdf is always built now (during the last stage).
This release is not binary compatible with code compiled using CMUCL
20d; you will need to recompile FASL files.
See or
for download information,
guidelines on reporting bugs, and mailing list details.
We hope you enjoy using this release of CMUCL!